Home / 509,167.20-763,556.40-154,063.20

Finding the Fourth Proportional to 509,167.20, 763,556.40 and 154,063.20

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Solution

The fourth proportional to 509,167.20, 763,556.40 and 154,063.20 is: 231,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,167.20 : 763,556.40 = 154,063.20 : x
  2. Step 2: Convert to fraction form
    509,167.20/763,556.40 = 154,063.20/x
  3. Step 3: Cross multiply
    509,167.20x = 763,556.40 × 154,063.20
  4. Step 4: Simplify right side
    509,167.20x = 117,635,942,364.48
  5. Step 5: Solve for x
    x = 117,635,942,364.48/509,167.20
  6. Step 6: Final answer
    x = 231,035.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.